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. 2017 Jul 12;22(7):1166. doi: 10.3390/molecules22071166

Table 1.

1H- (400 MHz) and 13C-NMR (100 MHz) spectroscopic data for compound 1.

No. 1 in Methanol-d4 1 in CDCl3
δH, J (Hz) δC a HMBC Correlation δH, J (Hz)
2 159.4
3 114.6
4 165.8
5 6.03, d, 7.6 101.5 C-3, C-4 5.84, d, 7.6
6 7.73, dd, 7.6, 0.8 136.6 C-2, C-4 7.37, dd, 7.6, 0.8
7 2.07, d, 11.6 50.3 C-2, C-3, C-4, C-12, 2.04, d, 11.6
C-8, C-9, C-13, C-16
8 2.69, m 27.3 2.75, m
9a 1.84, dt, 13.5, 4.0 44.2 C-7, C-11, C-8, C-10, C-17 1.82, dt, 13.5, 4.0
9b 0.85, br.d, 13.5 C-7, C-11, C-8, C-10, C-17, C-18 0.82, br.d, 13.5
10 1.69, m 33.7 1.66, m
11 3.03, d, 10.4 84.7 C-9, C-10, C-12, C-13, C-16, C-17 3.08, d, 10.3
12 45.8
13 4.10, dd, 10.8, 1.6 94.9 C-4, C-11, C-12, C-14, C-15, C-16 4.06, dd, 10.9, 1.7
14a 2.05, m 27.4 C-12, C-13, C-15 2.00, m
14b 1.27, m C-13, C-15 1.25, m
15 1.12, t, 7.4 11.5 C-13, C-14 1.08, t, 7.3
16 0.71, s 9.8 C-7, C-11, C-12, C-13 0.73, s
17 0.99, d, 6.3 18.7 C-9, C-10, C-11 0.97, d, 6.4
18 1.07, d, 6.0 23.7 C-7, C-8, C-9 1.08, d, 5.9
19 3.98, s 65.0 4.01, s

a Data of 13C were obtained by HSQC and HMBC spectra.